n,d=map(int,input().split())
cnt=0
for i in range(n):
  x,y=map(int,input().split())
  if x*x+y*y<=d*d:
    cnt+=1
  else:
    continue
print(cnt) n,d=map(int,input().split()) n map(int,input().split()) map int input().split() ().split () input split d cnt=0 cnt 0 for i in range(n):
  x,y=map(int,input().split())
  if x*x+y*y<=d*d:
    cnt+=1
  else:
    continue i range(n) range n x,y=map(int,input().split()) x map(int,input().split()) map int input().split() ().split () input split y if x*x+y*y<=d*d:
    cnt+=1
  else:
    continue x*x+y*y<=d*d x*x+y*y x*x x x y*y y y d*d d d cnt+=1 cnt 1 continue print(cnt) print cnt x,y=map(int,input().split()) map(int,input().split()) x n,d=map(int,input().split()) map(int,input().split()) n d=map(int,input().split()) map(int,input().split()) d cnt=0 0 cnt y=map(int,input().split()) map(int,input().split()) y cnt+=1 1 cnt
n,d=map(int,input().split())
cnt=0
for i in range(n):
  x,y=map(int,input().split())
  if x*x+y*y<=d*d:
    cnt+=1
  else:
    continue
print(cnt)
